Process for recovering uranium from wet process phosphoric acid

Details Process for recovering uranium from wet process phosphoric acid Process for recovering uranium from wet process phosphoric acid

C - Chemistry, Metallurgy

22

B

53/218

C22B 60/02 (2006.01)

Patent

CA 1117768

IMPROVEMENT IN PROCESS FOR Roman Z. Pyrih RECOVERING URANIUM FROM WET Robert S. Rickard PROCESS PHOSPHORIC ACID (II) Orin F. Carrington ABSTRACT OF DISCLOSURE The invention is an improvement in the process for recovering uranyl uranium from solutions in which the uranyl uranium is recovered with an ion exchange agent dissolved in an inert solvent, the loaded agent scrubbed with water, the scrubbed agent stripped with amonium carbonate solution to form a slurry of ammonium uranyl tricarbonate, the stripped agent returned to the ion exchange step, and the ammonium uranyl tricarbonate calcined to a uranium oxide product, the improvement which comprises stripping the uranium from the ion exchange agent with an alkali metal carbonate rather than ammonium carbonate, scrubbing the loaded agent with acidified alkali sodium carbonate strip solution prior to stripping, and regenerating the stripped ion exchange agent with a mineral acid before return to the ion exchange circuit.

311419

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